package com.heima.wemedia.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.apis.schedule.IScheduleClient;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.TaskTypeEnum;
import com.heima.model.schedule.dtos.Task;
import com.heima.model.wemedia.pojos.WmNews;
import com.heima.utils.common.ProtostuffUtil;
import com.heima.wemedia.service.WmNewsAutoScanService;
import com.heima.wemedia.service.WmNewsTaskService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

/**
 * @author sunhaonan
 */
@Service
@Slf4j
public class WmNewsTaskServiceImpl implements WmNewsTaskService {

    @Autowired
    private IScheduleClient scheduleClient;

    @Autowired
    private WmNewsAutoScanService wmNewsAutoScanService;

    /**
     * 添加任务到延迟队列中
     *
     * @param wmNews wm新闻
     */
    @Async
    @Override
    public void addWmNewsToTask(WmNews wmNews) {
        log.info("添加任务到延迟服务中----begin");

        // 添加空值检查
        if (wmNews == null) {
            log.error("wmNews对象为空，无法添加到任务队列");
            return;
        }

        if (wmNews.getPublishTime() == null) {
            log.error("文章发布时间为空，无法添加到任务队列");
            return;
        }

        Task task = new Task();
        task.setExecuteTime(wmNews.getPublishTime().getTime());
        task.setTaskType(TaskTypeEnum.NEWS_SCAN_TIME.getTaskType());
        task.setPriority(TaskTypeEnum.NEWS_SCAN_TIME.getPriority());
        WmNews newsTask = new WmNews();
        newsTask.setId(wmNews.getId());
        //序列化传输对象
        task.setParameters(ProtostuffUtil.serialize(wmNews));
        //添加任务
        scheduleClient.addTask(task);

        log.info("添加任务到延迟服务中----end");
    }

    /**
     * 消费延迟队列数据
     */
    @Scheduled(fixedRate = 1000)
    @Override
    public void scanNewsByTask() throws Exception {
        //请求接口，获取任务数据
        ResponseResult responseResult = scheduleClient.poll(TaskTypeEnum.NEWS_SCAN_TIME.getTaskType(), TaskTypeEnum.NEWS_SCAN_TIME.getPriority());

        if (null != responseResult && responseResult.getCode().equals(200) && null != responseResult.getData()) {
            String json = JSON.toJSONString(responseResult.getData());
            Task task = JSON.parseObject(json, Task.class);
            //反序列化
            byte[] parameters = task.getParameters();
            WmNews wmNews = ProtostuffUtil.deserialize(parameters, WmNews.class);
            //文章审核
            wmNewsAutoScanService.autoScanWmNews(wmNews.getId());
        }
        log.info("文章审核---消费任务执行---end---");
    }


}